A dipole carrying charges (+q) and (-q) separated by a distance (d) is rotated (180^{circ}) in a

Question:

A dipole carrying charges $+q$ and $-q$ separated by a distance $d$ is rotated $180^{\circ}$ in a uniform electric field (Figure P25.7). What is the change in electric potential energy associated with this rotation? (Consider a system comprising both the dipole and the sources of the electric field.)

Data from Figure P25.7

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